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I-Hydroxypropyl methylcellulose, ekwaziwa ngokuba yi-hypromellose kunye ne-cellulose hydroxypropyl methyl ether, yenziwe nge-cotton cellulose ecocekileyo kakhulu kwaye ifakwa i-ether ngokukodwa phantsi kweemeko ze-alkaline. umahluko: iimpawu ezahlukeneyo I-Hydroxypropyl methylcellulose: i-p...Funda ngokugqithisileyo»
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Imbonakalo yomgubo we-emulsion imhlophe, inombala otyheli okhanyayo ukuya kotyheli okanye i-amber, ikhanya, ayinavumba libi, kwaye akukho kungcola kubonakala emehlweni. Okukhona umgubo we-emulsion ucolekile, kokukhona ukusebenza ngcono. Okukhona umgubo we-emulsion ucolekile, kokukhona amandla okutyhafa esondela, i-elonga...Funda ngokugqithisileyo»
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1. Iingxaki eziqhelekileyo kwi-putty powder Yoma ngokukhawuleza: Isizathu esiphambili kukuba ubungakanani bomgubo we-calcium womlotha ongezelelweyo (mkhulu kakhulu, ubungakanani bomgubo we-calcium womlotha osetyenzisiweyo kwifomula ye-putty bunokunciphisa ngokufanelekileyo) bunxulumene nesantya sokugcina amanzi kwi-fiber, kwaye bunxulumene nokomisa...Funda ngokugqithisileyo»
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Uthotho lwepowder eyomileyo 1. I-putty powder yangaphakathi% (1) Umgubo weShuangfei 70-80 (ubuncinci 325-400) umgubo wecalcium ongwevu 20-30 umgubo werabha malunga ne-0.5 (2) Umgubo weTalc 10 Umgubo wecalcium yothuthu 20 Umgubo weShuangfei 60 Isamente emhlophe 10 Umgubo werabha 0.5-1 (3) Isamente emhlophe 25-30 (No. 425) umgubo wecalcium yothuthu 2...Funda ngokugqithisileyo»
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1 Ulwazi olusisiseko Umbuzo 1 Zingaphi iindlela zokwakha ezisetyenziswayo zokuncamathisela iithayile nge-adhesive yethayile? Impendulo: Inkqubo yokuncamathisela iithayile zeseramikhi yahlulwe ngokubanzi ibe ziintlobo ezintathu: indlela yokugquma umva, indlela yokugquma isiseko (ekwaziwa ngokuba yindlela yetrowel, indlela yokugquma umxube), kunye ne-combination met...Funda ngokugqithisileyo»
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1 Iingxaki eziqhelekileyo kumgubo we-wall putty: (1) Yoma ngokukhawuleza. Oku kungenxa yokuba ubungakanani bomgubo we-calcium womlotha ongezelelweyo (mkhulu kakhulu, ubungakanani bomgubo we-calcium womlotha osetyenziswa kwifomula ye-putty bunokuncipha ngokufanelekileyo) bunxulumene nesantya sokugcina amanzi kwi-fiber, kwaye ikwanxulumene...Funda ngokugqithisileyo»
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Iglu yethayile, eyaziwa ngokuba yi-ceramic tile adhesive, isetyenziswa kakhulu ukuncamathisela izinto zokuhombisa ezifana neethayile ze-ceramic, iithayile ezijongeneyo, kunye neethayile zomgangatho. Iimpawu zayo eziphambili kukuqina okuphezulu kwe-bonding, ukumelana namanzi, ukumelana nokuqandusela komkhenkce, ukumelana nokuguga okuhle kunye nolwakhiwo olulula. Yinto...Funda ngokugqithisileyo»
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I-Hydroxypropyl methylcellulose HPMC luhlobo lwe-non-ionic cellulose mixed ether. Ngokungafaniyo ne-ionic methyl carboxymethyl cellulose mixed ether, ayisebenzi neentsimbi ezinzima. Ngenxa yemilinganiselo eyahlukeneyo yomxholo we-methoxyl kunye nomxholo we-hydroxypropyl kwi-hydroxypropyl methylcellulose kunye ne-v...Funda ngokugqithisileyo»
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I-Cellulose ether yi-polymer eyenziweyo eyenziwe nge-cellulose yendalo ngokuguqulwa kweekhemikhali. I-Cellulose ether ivela kwi-cellulose yendalo. Ukuveliswa kwe-cellulose ether kwahlukile kwii-polymers zokwenziwa. Izinto zayo ezisisiseko yi-cellulose, i-compound yendalo ye-polymer. Ngenxa ye ...Funda ngokugqithisileyo»
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Isishwankathelo: 1. Isixhobo sokumanzisa nokusasaza 2. Isicoci senkunkuma 3. Isiqinisi 4. Izongezo zokwenza ifilimu 5. Isixhobo sokulwa nokugqwala, ukungunda kunye nesixhobo sokulwa nolwelwe 6. Ezinye izongezo 1 Isixhobo sokumanzisa nokusasaza: Iingubo ezisekelwe emanzini zisebenzisa amanzi njengesinyibilikisi okanye isixhobo sokusasazeka, kwaye amanzi anombane omkhulu...Funda ngokugqithisileyo»
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Iyintoni indima yesixhobo sokugcina amanzi esixutywe nezinto zomgubo we-gypsum? Impendulo: kusetyenziswa i-plastering gypsum, i-bonded gypsum, i-caulking gypsum, i-gypsum putty kunye nezinye izinto zomgubo wokwakha. Ukuze kube lula ukwakha, kongezwa izinto ezigcina amanzi ngexesha lokuvelisa ukuze kwandiswe ixesha...Funda ngokugqithisileyo»
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1. Yintoni eyona nto isetyenziswa kakhulu yi-hydroxypropyl methylcellulose (HPMC)? I-HPMC isetyenziswa kakhulu kwizixhobo zokwakha, kwiingubo, kwiiresini zokwenziwa, kwiiseramikhi, kumayeza, ekutyeni, kwimpahla, kwezolimo, kwizinto zokuthambisa, kwicuba nakwamanye amashishini. I-HPMC inokwahlulwa ibe ziinqanaba zokwakha, izinga lokutya kunye...Funda ngokugqithisileyo»